DIN EN ISO 10893-4-2011 钢管无损检测.第4部分:表面缺陷检测用无缝焊接钢管的液体渗透检测法(ISO 10893-4-2011).德文版本EN ISO 10893-4-2011
Non-destructive testing of steel tubes - Part 4: Liquid penetrant inspection of seamless and welded steel tubes for the detection of surface imperfections (ISO 10893-4:2011); German version EN ISO 10893-4:2011
This part of ISO 10893 specifies requirements applicable to liquid penetrant testing of seamless and welded tubes for the detection of surface imperfections.
It is applicable to all or any part of the tube surface as required by the relevant product standards.
It can also be applicable to the testing of hollow sections.